Parker climate — normals and trends
Parker (United States) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.5 °C and it receives 500 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (21.5 °C on average) and the coldest is January (-3.4 °C). Rainfall peaks in May.
Parker averages 161 frost days, 36 hot days (≥ 30 °C) and 89 rainy days per year.
Parker has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 173 to 149 per year over the period.
The hottest day of the period reached 38.0 °C (on 26 June 1994) and the coldest -40.9 °C (on 12 January 1963).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
ParkerColorado
- coords
- 39.52°, -104.76°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.5°C
Average daily high
16.2°C
Average daily low
1.7°C
Annual rainfall
500mm
Sunshine / day
10.7h
Mean relative humidity
53%
Average peak wind
16.4km/h
Seasonal range
24.9°C
Frost days (< 0 °C)
161 d/yr
Hot days (≥ 30 °C)
36 d/yr
Rainy days (≥ 1 mm)
89 d/yr
Annual snowfall
125.6 cm
Average feels-like high
13.3 °C
Average feels-like low
-1.9 °C
Average peak gust
35.3 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
18.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.43 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
38.0 °C
26 June 1994
Coldest day
-40.9 °C
12 January 1963
Wettest day
74 mm
3 April 1986
Windiest day
49.8 km/h
23 March 1957
Strongest gust
103.3 km/h
6 June 2020
Hottest feels-like
36.8 °C
18 July 2022
Coldest feels-like
-45.7 °C
12 January 1963
Snowiest day
49.4 cm
3 April 1986
Sunniest day
14.1 h
24 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 1.5 °C | -3.0 °C | 24 mm | +6 mm |
| Feb | 7.4 °C | +1.1 °C | 18 mm | -2 mm |
| Mar | 14.3 °C | +4.6 °C | 37 mm | -7 mm |
| Apr | 16.6 °C | +2.4 °C | 25 mm | -42 mm |
| May | 20.4 °C | +1.0 °C | 65 mm | -18 mm |
| Jun | 27.3 °C | +1.3 °C | 74 mm | +19 mm |
| Jul | 31.3 °C | +2.0 °C | 54 mm | -0 mm |
| Aug | 29.9 °C | +1.7 °C | 59 mm | +11 mm |
| Sep | 24.8 °C | +0.7 °C | 48 mm | +14 mm |
| Oct | 19.8 °C | +2.3 °C | 18 mm | -16 mm |
| Nov | 14.8 °C | +5.1 °C | 10 mm | -16 mm |
| Dec | 12.6 °C | +7.2 °C | 12 mm | -6 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Parker?
Parker has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.5 °C and it receives 500 mm of precipitation per year.
What is the hottest day ever recorded in Parker?
The hottest day measured in Parker between 1940 and 2025 was 26 June 1994, reaching 38.0 °C.
What is the coldest day in Parker?
The coldest day measured in Parker between 1940 and 2025 was 12 January 1963, at -40.9 °C.
Does it snow in Parker?
Yes. Parker gets on average 125.6 cm of snow per year and has around 161 frost days.
Has the climate of Parker warmed?
Yes: Parker warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Parker?
The wettest day measured in Parker between 1940 and 2025 was 3 April 1986, with 74 mm of rain in 24 hours.
What was the windiest day in Parker?
The windiest day measured in Parker between 1940 and 2025 was 23 March 1957, with winds reaching 49.8 km/h.
What is the warmest month in Parker?
The warmest month in Parker is July (21.5 °C on average); the coldest is January (-3.4 °C).
How much does it rain in Parker?
Parker receives on average 500 mm of precipitation per year, spread over about 89 rainy days.
Is it sunny in Parker?
Parker gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.
What is the biggest single-day snowfall in Parker?
The heaviest 24-hour snowfall measured in Parker between 1940 and 2025 was 3 April 1986, with 49.4 cm.
Are there tropical nights in Parker?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Parker.
What was the most extreme apparent temperature in Parker?
In Parker, between 1940 and 2025, the highest apparent temperature reached 36.8 °C on 18 July 2022, and the lowest was -45.7 °C on 12 January 1963.
Compare Parker with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Parker